Hitachi ATW-RTU-02 Guia De Instalacion página 10

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Installation and Operation Manual
10
3.5.2 Category 2 - System Settings
NOTE: To ensure correct heat pump system operation, parameter 8:Su must be set correctly. See note in
section 3.3 Using the Room Unit for Specific Applications.
Parameter
Parameter
No.
Category 2 Parameters – System Settings (press the
Heat/Cool selection
4:HC
enable / disable
Room Temperature
8:Su
Sensor Use
Maximum Flow
Setpoint (extension
11:uF
systems only)
Minimum Flow
Setpoint (extension
12:LF
systems only)
Mixing Value Run
Time (extension
13:Ar
systems only)
Pump Overrun Run
Time (extension
14:Pr
systems only)
Note
Remember to always press the green
setting. To exit the Installer Mode press the
All manuals and user guides at all-guides.com
Factory Default Setting
button to access this category)
0
Disabled
Programmer and
0
room compensation
unit
55°C Maximum Flow
55
Temp.
15°C Minimum Flow
15
Temp.
150
150 seconds
15
15 minutes
button to confirm that you want to store your new Installer Set-Up
or
button.
Optional Setting
1
Enabled
Programmer only. Transmits demand
1
and room setpoint (no temperature
displayed)
0 to 99
0°C to 99°C adjustment in 1°C steps
0 to 50
0°C to 50°C adjustment in 1°C steps
0 to
0 to 240 sec. adjustment in 1sec
240
steps
0 to 99
0 to 99 mins adjustment in 1min steps
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